When you look up at the sky on a sunny day, the sun might seem like a bright spot, unchanging in the sky. But the sun is a ...

BOULDER–Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun’s impact on Earth over the course of the 11-year solar ...

You could get more opportunities to see supercharged auroras over the next few months, thanks to our very active sun. Solar activity waxes and wanes on an 11-year cycle. The current cycle, known as ...

Images of the far-side of the sun taken by the European Space Agency's Solar Orbiter of a giant sunspot region makes aurora ...

A new 11-year cycle of heightened solar activity, bringing with it increased risks for power grids, critical military, civilian and airline communications, GPS signals and even cell phones and ATM ...

WASHINGTON — When the sun sneezes, it's Earth that gets sick. It's time for the sun to move into a busier period for sunspots, and while forecasters expect a relatively mild outbreak by historical ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The sun has seen its most active month for over two decades, with a ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. With several solar flares and coronal mass ejections soaring out into ...

A moderate solar flare burst from the sun on Friday morning, marking the strongest eruption in days from an increasingly ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The latest image of the sun from NASA's Solar Dynamics ...